NPIMap

Individual provider Active NPI

Joshua Bollan, MD

  • Geriatric Medicine (Internal Medicine) Physician
  • Aurora, CO
National Provider Identifier
1285052084
Registry record updated Jun 1, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X
License
DR.0060706 Issued in CO
Practice address
12605 E 16TH Ave
Aurora, CO 80045-2545
Phone
(720) 848-0000
NPI assigned
Mar 31, 2014
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 1, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Geriatric Medicine (Internal Medicine) Physician 207RG0300X A140107 CA
Geriatric Medicine (Internal Medicine) Physician 207RG0300X DR.0060706 CO Primary
Hospitalist Physician 208M00000X DR.0060706 CO

Addresses

Primary practice location

12605 E 16TH Ave
Aurora, CO 80045-2545

Mailing address

PO Box 110429
Aurora, CO 80042-0429

Other practice location 1

8246 W Bowles Ave Unit T
Littleton, CO 80123-3084
Phone (303) 800-0880

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA, CO2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20180514001964 CA Practitioner - Geriatric MedicinePractitioner - Internal Medicine 4789978610 Reassigns benefits to 2 organizations
I20210807000093 CO Practitioner - Geriatric MedicinePractitioner - Internal MedicinePractitioner - Hospitalist 4789978610 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Geriatric MedicineAlso: Hospitalist, Internal Medicine
Education
University of Colorado School of Medicine, Aurora, 2014
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University Physicians IncorporatedGroup PAC ID 3476465667, 3,189 clinicians

Practice addresses (Care Compare)

12605 E 16TH Ave
Uchealth Anschutz Medical Campus
Aurora, CO 80045-2545
Phone (720) 848-0000

Hospital & facility affiliations

  • University of Colorado Hospital Authority Hospital, Aurora, CO, CCN 060024

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
A140107CAMDGeriatric Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
University Physicians Incorporated CurrentSince Dec 1, 2021 Accepting new patients
Regents of the University of California CurrentSince Sep 18, 2018 Accepting new patients
Pouya Afshar MD Inc CurrentSince Apr 27, 2018 Accepting new patients
University Physicians Incorporated Current Accepting new patients
University Physicians, Incorporated CurrentSince Dec 1, 2021 Accepting new patients
Regents of the University of California Current Accepting new patients
Regents of the University of California CurrentSince Sep 18, 2018 Accepting new patients
University of Colorado Hospital Authority Past Accepting new patients

Locations

200 W Arbor Dr
#8425
San Diego, CA 92103
Phone (619) 471-0434

200 W Arbor Dr
San Diego, CA 92103
Phone (619) 543-5754

200 W Arbor Dr
#84225
San Diego, CA 92103

3111 Camino del Rio N
Ste 625
San Diego, CA 92108
Phone (619) 738-5566

12605 E 16th Ave
Aurora, CO 80045
Phone (720) 848-0006

13123 E 16th Ave
Aurora, CO 80045
Phone (720) 777-3846

Dept 1061
Denver, CO 80256

Organizations & group practices 8

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 27

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 27

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1396224000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780272000000",
    "number": "1285052084",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 110429",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800420429"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12605 E 16TH AVE",
            "city": "AURORA",
            "state": "CO",
            "postal_code": "800452545",
            "telephone_number": "720-848-0000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "8246 W Bowles Ave Unit T",
            "address_purpose": "LOCATION",
            "city": "Littleton",
            "state": "CO",
            "postal_code": "801233084",
            "country_code": "US",
            "telephone_number": "303-800-0880",
            "fax_number": "844-621-8049",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "BOLLAN",
        "first_name": "JOSHUA",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-03-31",
        "last_updated": "2026-06-01",
        "certification_date": "2026-06-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "CA",
            "license": "A140107",
            "primary": false
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "CO",
            "license": "DR.0060706",
            "primary": true
        },
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CO",
            "license": "DR.0060706",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Aurora, CO

Sources for this page

Verify at the official NPI Registry.